#include <iostream>
#include <string>


using namespace std;
int wordToNumber(const string& word) {
	if (word == "zero")return 0;
	if (word == "one")return 1;
	if (word == "two")return 2;
	if (word == "three")return 3;
	if (word == "four")return 4;
	if (word == "five")return 5;
	if (word == "six")return 6;
	if (word == "seven")return 7;
	if (word == "eight")return 8;
	if (word == "nine")return 9;
	return -1;
}
int main()
{
	string input;
	getline(cin, input);
	if (count(input.begin(), input.end()));
	{
		cout << "Wrong input" << endl;
		return 0;  
	}
	
		
}
